What is Baseball Cap?
1.
Device which, when fitted to the head of anyone driving a car, immediately removes any concern they may have previously exhibited for their own, their passengers, and, well, anyone elses safety.
Especially effective when driving '
Tracy thinks that Trevor's baseball cap makes him a much better driver.
2.
Device used to notify others that they are in the presence of a dickhead. The point may be reinforced by the wearer displaying said item at alternative angles, particularly back-to-front especially when facing the sun.
That wanker in the baseball cap.